File Extension Search

.at3 File Extension

Developer: Sony Corporation
File type: Compression File
You're here because you have a file that has a file extension ending in .at3. Files with the file extension .at3 can only be launched by certain applications. It's possible that .at3 files are data files rather than documents or media, which means they're not meant to be viewed at all.

what is a .at3 file?

The AT3 file extension is a data format associated to Sony's Adaptive Transform Acoustic Coding 3.AT3 files and Adaptive Transform Acoustic Coding 3 were developed by Sony. These files are small audio files that are used by gamers to store music and other audio files on their PlayStation memory sticks, Sony CD and MP3 players and Sony Ericsson mobile phones. They may also use the file extensions of AA3 or OMG. AA3 format has been discontinued while OMG format is used to prevent files from being illegally copied. OMG files include the digital rights management, a copyright protection system of electronic media. Technically, it uses 132kbps Bitrate, 3.97MB data size, and saves about 176tracks into CD-R .MP3 files can be converted to AT3 files. Files in AT3 format can be opened with Sony SonicStage, Sony Sound Forge Pro 10, Sony ACID Pro 7, and Sony Vegas Pro 11 with ATRAC plugin in Microsoft Windows based systems.

how to open a .at3 file?

Launch a .at3 file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your .at3 file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but .at3 files aren't yet associated with it. In this case, when you try to open a .at3 file, you can tell Windows which application is the correct one for that file. From then on, opening a  .at3 file will open the correct application. Click here to fix .at3 file association errors

applications that open a .at3 file

Sony Sound Forge Pro 10

Sony Sound Forge Pro 10

Sound Forge Pro 10 from Sony Corporation is a suite of audio production tools for professionals. It turns raw sound files into master audio, with 24-bit/192 kHz support. An enhancement to version 9, this program now provides improved customization of layouts, setting of default fade types, and grouping of data windows. It even features interactive tutorials for users who are new to Sound Forge Pro products. For audio recording and editing, users can schedule recording on a recurring basis through the program. Musical instrument files can also be processed for added effects, and output can be further improved with the noise-reducing plug-ins. Files in .bwf format are now supported by the program. Sound Forge Pro 10 comes with CD authoring capability for finished masters. It runs on Windows XP, Vista, 7, and 8 and requires hard disk space of 350MB for installation.
Sony Vegas Pro 11

Sony Vegas Pro 11

Vegas Pro 11 is a video editing tool from Sony Corporation. This software program is an enhancement to the Vegas Pro 10 version and specifically provides for the needs of professional video editors. Features include adding effects and animation, audio recording, managing media, and disc authoring. Vegas Pro 11 allows editing of videos from as many as 32 sources, making the program suitable for broadcast and digital video production. It also allows accelerated decoding, cropping, and playback. Users can apply video and audio effects at different levels of the project: media, event, track, or preview. Improved text tools and 3D features were also added, including the Titler Pro for 2D and 3D effects. When the video is ready for presentation, the program allows DVD and Blu-Ray Disc authoring. Vegas Pro 11 runs on Windows Vista and 7 but does not support XP.

a word of warning

Be careful not to rename the extension on .at3 files, or any other files. This will not change the file type. Only special conversion software can change a file from one file type to another.

what is a file extension?

A file extension is the set of three or four characters at the end of a filename; in this case, .at3. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically. When that program is no longer on your PC, you can sometimes get an error when you try to open the associated file.

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